Slag - Wikipedia

Slag is the glass-like by-product left over after a desired metal has been separated (i.e., smelted) from its raw ore. Slag is usually a mixture of metal oxides and silicon dioxide. However, slags can contain metal sulfides and elemental metals.

ALC Coal Slag Abrasive Blast Media — 25 Lbs . - Equipment

Coal Slag is generally used in a pressure or siphon blaster when paint, rust, and scale have to be removed from steel, such as car/truck frames, tanks, heavy machinery, farm equipment, etc. Coal slag is superior to silica because it contains 0.1% or less silica. Coal slag is moisture free and will not pack or absorb moisture. Coal slag is .

Slag - Wikipedia

Slag is the glass-like by-product left over after a desired metal has been separated (i.e., smelted) from its raw ore. Slag is usually a mixture of metal oxides and silicon dioxide. However, slags can contain metal sulfides and elemental metals.